发明申请
- 专利标题: CATHODE FOR DISCHARGE LAMP AND DISCHARGE LAMP USING THE SAME
- 专利标题(中): 用于放电灯和放电灯的阴极使用该灯
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申请号: US12544601申请日: 2009-08-20
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公开(公告)号: US20100045185A1公开(公告)日: 2010-02-25
- 发明人: Tetsuya Kitagawa , Shunichi Morimoto , Tomoyoshi Arimoto , Mitsuru Ikeuchi
- 申请人: Tetsuya Kitagawa , Shunichi Morimoto , Tomoyoshi Arimoto , Mitsuru Ikeuchi
- 申请人地址: JP Tokyo
- 专利权人: Ushio Inc.
- 当前专利权人: Ushio Inc.
- 当前专利权人地址: JP Tokyo
- 优先权: JP2008-211264 20080820
- 主分类号: H01J61/04
- IPC分类号: H01J61/04 ; H01J1/00
摘要:
A cathode for a discharge lamp contains emitter material, wherein a carbide layer is formed on an outer surface of the cathode, the carbide layer is formed on an area extending from a tip portion of the cathode, and two or more grooves extending toward the tip portion of the cathode are formed on the area where the carbide layer is formed.
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